Leipsic, Delaware has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 18.3 °C (high). Annual precipitation averages 1181.4 Millimeters. Leipsic is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.5 °C | 6.1 °C | 86.36 mm |
| February | -2.9 °C | 7.2 °C | 76.71 mm |
| March | 1.2 °C | 11.4 °C | 106.43 mm |
| April | 6.8 °C | 17.8 °C | 92.46 mm |
| May | 12.1 °C | 22.7 °C | 99.57 mm |
| June | 17.3 °C | 27.6 °C | 113.03 mm |
| July | 20.2 °C | 30.2 °C | 109.22 mm |
| August | 19.1 °C | 29.1 °C | 115.82 mm |
| September | 15.3 °C | 25.9 °C | 104.14 mm |
| October | 8.9 °C | 19.8 °C | 97.03 mm |
| November | 3 °C | 13.8 °C | 81.79 mm |
| December | -0.8 °C | 8.5 °C | 98.81 mm |
| Annual | 8.1 °C | 18.3 °C | 1181.37 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |